As a journalist he has also interviewed several Colombian Guerrilla leaders such as Raul Reyes (†) from FARC (Revolutionary Armed Forces of Colombian) and Manuel Perez Martinez (†) head of ELN (National Liberation Army).
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In January 2005 the documentary The Secret of the Bat: Bacardi between Rum and Revolution where Calvo Ospina took part received the Bronze World Medal at the New York Film Festival.
Hernando de Soto | Hernando | Hernando de Soto (explorer) | Porto Calvo | Luis Calvo | Hernando Pizarro | Carlos Wyld Ospina | A.D. Calvo | William Ospina | Randolph Roque Calvo | Rafael del Pino Calvo-Sotelo | Leopoldo Calvo-Sotelo | Jack Calvo | Hernando Urriago Benítez | Hernando's Hideaway | Hernando, Florida | Hernando De Soto | Carlos Calvo | Calvo Sotelo |